Chair part



FIG. 1 is a front view of a chair part showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top view thereof.

The broken lines represent the portions of the article that form no part of the claimed design. 

CLAIM I claim the ornamental design for a chair part, as shown and described. 